

/* ***大 */
#big{
    height: 5710px;
    padding: 30px 18px 100px 18px;
    background-color: #15171e;
}
/* ***一 */
#Header{
    width: 1484px;
    height: 57px;
    background-color: #15171e;
}
#ul1{
    width: 340px;
    height: 23px;
    color: #ccc;
    padding: 14px 0 20px 0;
    float: right;
}
#ul1 li{
    float: left;
    margin: 0 20px 0 26px;
}
/* 下载图标 */
.icon-download{
    color:#0094ff;
}
/* 下箭头 */
.icon-xiajiantou{
    color: #57595e;
    position: absolute;
    right: 48px;
    top: 48px;
}
#ul1 li:hover{
    color: #fff;
}
#ul1 li:nth-child(3):hover .icon-xiajiantou{
    color: #ccc;
}
.icon-shangjiantou-copy{
    position: absolute;
    right: 48px;
    top: 46px;
    display: none;
}
/* 遮罩层 */
#bg{
    position: absolute;
    background-color: rgba(0,0,0,.3);
    z-index: 100;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    display: none;
    }
    
#triangle{
    width: 0px;
    height: 0px;
    border-top: 10px solid rgba(0, 0, 0, 0);
    border-bottom: 10px solid #273042;
    border-left: 10px solid rgba(0, 0, 0, 0);
    border-right: 10px solid rgba(0, 0, 0, 0);
    position: absolute;
    right: 46px;
    top: 67px;
    display: none;
}
#ul2{
    width: 400px;
    height: 254px;
    background-color: #1a1c23;
    color: #fff;
    border: 1px solid #57595e;
    border-radius: 5px;
    position: absolute;
    right: 19px;
    top: 87px;
    padding: 30px 21px 30px 21px;
    display: none;
}
#ul2 li:nth-child(1) button{
    width: 100%;
    height: 53px;
    background-color: #0094ff;
    border: none;
    border-radius: 10px;
    color: #fff;
    margin-bottom: 30px;
}
#ul2 li:nth-child(2){
    width: 100%;
    height: 1px;
    background-color: #ccc;
}
#ul2 li:nth-child(3){
    margin-top: 58px;
}
#ul2 li:nth-child(4){
    margin-top: 50px;
}

/* ***二 */
#Nav{
    position: sticky;
    width: 1484px;
    height: 104px;
    background-color: #15171e;
    top: 0px;
    z-index: 20;
}
#ul3{
    box-sizing: border-box;
    height: 65px;
    padding: 22px 0 18px 0;
}
#ul3 li{
    float: left;
    border-radius: 5px;
    line-height: 65px;
}
#ul3 li:nth-child(1){
    width: 938px;
    height: 65px;
    background-color: #23252b;
    margin-right: 15px;
    padding-left: 22px;
    color: #c2c2c2;
    position: relative;
}
#ul3 li:nth-child(1) .span1{
    position: absolute;
    width: 94px;
    height: 65px;
    /* background-color: green; */
    text-align: center;
    left: 0;
}
/* 总览下边框 */
#zlXia1{
    position: relative;
    width: 0px;
    height: 3px;
    background-color: blue;
    top: 22px;
    left: 47px;
}
#zlXia2{
    position: relative;
    width: 0px;
    height: 3px;
    background-color: blue;
    top: 19px;
    left: 47px;
}
#ul3 li:nth-child(1) .span1:hover{
    background-color: #303237;
    color: #fff;
}

/* 总览 */
#zonglan{
    position: absolute;
    width: 700px;
    height: 299px;
    margin-top: 25px;
    border-radius: 5px;
    color: #919295;
    display: none;
}
#zonglan img{
    width: 18px;
}
#zonglan ul{
    box-sizing: border-box;
    width: calc(700px / 3);
    height: 299px;
    float: left;
}
#zonglan li{
    line-height: 40px;
}
#zonglan #ul4{
    background-color: #1a1c23;
    padding: 23px 0 33px 20px;
    }
#zonglan #ul4 li:nth-child(1){
    height: 73px;
}
#zonglan #ul5{
    background-color: #1a1c23;
    padding: 23px 0 33px 20px;
    }
#zonglan #ul5 li:nth-child(1){
    height: 73px;
}  
#zonglan #ul6{
    background-color: #1a1c23;
    padding: 23px 0 33px 20px;
    }  
#zonglan #ul6 li:nth-child(1){
    height: 73px;
}  
#ul3 li:nth-child(1) .span2{
    position: absolute;
    top: 0px;
    left: 64px;
}
#ul3 li:nth-child(2){
    width: 270px;
    height: 65px;
    background-color: #23252b;
    margin-right: 15px;
    padding-left: 20px;
}
/* search */
#ul3 li:nth-child(2) input{
    width: 224px;
    height: 65px;
    margin-left: 20px;
    border: none;
    border-radius: 5px;
    outline: none;
    background-color: #23252b;
    font-size: 17px;
    position: absolute;
    color: #c2c2c2;
}
#ul3 li:nth-child(3){
    width: 65px;
    height: 65px;
    background-color: #23252b;
    margin-right: 15px;
    text-align: center;
}
/* ❤ */
#ul3 li:nth-child(3) span{
    font-size: 26px;
    color: #c2c2c2;
}
#ul3 li:nth-child(3) span:hover{
    color: #fff;
}
#ul3 li:nth-child(3):hover{
    background-color: #303237;
}
#ul3 li:nth-child(4){
    width: 123px;
    height: 65px;
    background-color: #23252b;
    text-align: center;
    color: #c2c2c2;
}
#ul3 li:nth-child(4):hover{
    color: #fff;
    background-color: #303237;
}

#ul4 li:hover {
    background-color: #303237;
  }
#ul5 li:hover {
    background-color: #303237;
  }
#ul6 li:hover {
    background-color: #303237;
  }

/* ***三 */
/* 轮播图 */
#slideshow{
    position: relative;
    width: 1483px;
    height: 470px;
    background-color: red;
    /* margin-top: 104px; */
    z-index: 10;
}
#ul7{
    position: absolute;
    width: 1483px;
    height: 470px;
    background-color: green;
}
#ul7 li{
    position: absolute;
    width: 1484px;
    height: 470px;
    left: 0;
    top: 0;
    opacity: 0;
}
#ul7 img{
    width: 100%;
    height: 100%;
}
#slideshow button{
    position: absolute;
    width: 50px;
    height: 100px;
    background-color: rgba(0,0,0,.5);
    border: 1px solid #ccc;
    border-radius: 5px;
    color: #fff;
    font-size: 40px;
    top: 175px;
    display: none;
}
#slideshow button:nth-child(2){
    right: -1px;
}
#slideshow:hover button{
    display: block;
}
#ul8{
    position: relative;
    width: 308px;
    height: 54px;
    /* background-color: green; */
    bottom: -470px;
    left: calc(1484px / 2 - 154px);
    /* margin-bottom: 54px; */
}
#ul8 li{
    position: absolute;
    width: 54px;
    height: 6px;
    background-color: #ccc;
    border-radius: 10px;
}
#ul8 li:hover{
    background-color: #fff;
}
#ul8 li:nth-child(1){
    left: 63.5px;
    top: 24px;
}
#ul8 li:nth-child(2){
    left: 127px;
    top: 24px;
}
#ul8 li:nth-child(3){
    left: 190.5px;
    top: 24px;
}
#ul8 li:nth-child(4){
    left: 254px;
    top: 24px;
}
#ul9 li{
    position: absolute;
    left: 610px;
    top: 486px;
    display: none;
}
#ul9 .li2{
    left: 611px;
}
#ul9 .kai{
    font-size: 20px;
    color: #fff;
}

/* 六 */
#ul10{
    width: 1484px;
    height: 70px;
    background-color: #23252b;
    margin-top: 54px;
    padding-top: 15px;
}
#ul10 li:nth-child(1){
    text-align: center;
}

/* 七 */
#Top{
    position: fixed;
    width: 60px;
    height: 60px;
    background-color: rgba(0,0,0,.7);
    border-radius: 5px;
    right: 50px;
    bottom: 50px;
    display: none;
    z-index: 300;
}
#Top span{
    display: block;
    color: #fff;
    font-size: 30px;
    text-align: center;
    line-height: 60px;
    border: 1px solid #ccc;
    border-radius: 5px;
    border: none;
}
#Top span:hover{
    border: 1px solid #ccc;
}

/* 八 */
/* 推荐 */
#Recommend{
    width: 1484px;
    height: 1110px;
    background-color: #15171e;
}
#Recommend h1{
    box-sizing: border-box;
    width: 1484px;
    height: 148px;
    background-color: #15171e;
    /* background-color: yellow; */
    font-size: 30px;
    padding-top: 80px;
    color: #fff;
}
#recommend{
    display: flex;
    flex-wrap:wrap;
    justify-content: space-between;
    /* ??? */
    /* align-content:space-between;  */
}
#addBtn{
    position: absolute;
    left: 100px;
    top: 890px;
    border: 1px solid #ccc;
    background-color: #15171e;
    color: #fff;
    border-radius: 5px;
}
#send{
    display: none;
    width: 300px;
    height: 230px;
    background-color: rgb(139, 215, 209);
    position: fixed;
    top: calc(50% - 150px);
    left: calc(50% - 115px);
    padding-top: 20px;
    padding-left: 20px;
    border-radius: 10px;
    z-index: 20;
}
#update {
    display: none;
    width: 300px;
    height: 230px;
    background-color: rgb(245, 181, 79);
    position: fixed;
    top: calc(50% - 150px);
    left: calc(50% - 115px);
    padding-top: 20px;
    padding-left: 20px;
    border-radius: 10px;
    z-index: 20;
  }
#recommend ul{
    box-sizing: border-box;
    position: relative;
    width: 290px;
    height: 477px;
    background-color: #23252b;
    padding: 0 30px 30px 30px;
}
#recommend ul:hover{
    background-color: #31343b;
    transition: all .2s linear;
}
#recommend ul li:nth-child(1){
    width: 290px;
    height: 162px;
    background-image: url();
    position: absolute;
    left: 0;
}
#recommend ul li:nth-child(1) img{
    width: 290px;
}
#recommend ul li:nth-child(2){
    height: 30px;
    margin-top: 200px;
    font-size: 16px;
    margin-bottom: 6px;
}
#recommend ul:hover li:nth-child(2){
    margin-top: 190px;
    transition: all .2s linear;
}
#recommend ul li:nth-child(2) img{
    width: 30px;
}
#recommend ul li:nth-child(2) span{
    display: block;
    margin-left: 40px;
    margin-top: -30px;
    color: #fff;
}
#recommend ul li:nth-child(3){
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}
#recommend ul li:nth-child(4){
    font-size: 20px;
    color: #ffb400;
    margin-bottom: 10px;
}
#recommend ul li:nth-child(5){
    color: #ddddc9;
    margin-bottom: 38px;
}
#recommend ul li:nth-child(6){
    position: absolute;
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    bottom: 30px;
}
#recommend ul:nth-child(6){
    margin-top: 8px;
}
#recommend ul:nth-child(7){
    margin-top: 8px;
}
#recommend ul:nth-child(8){
    margin-top: 8px;
}
#recommend ul:nth-child(9){
    margin-top: 8px;
}
#recommend ul:nth-child(10){
    margin-top: 8px;
}

/* 十二 */
#Footer{
    position: relative;
    width: 1484px;
    height: 500px;
    background-color: yellow;
    background-image: url(../images/big.jpg);
    margin-top: 100px;
    /* 76  20 */
}
#footer{
    position: relative;
    width: 560px;
    height: 370px;
    /* background-color: rgba(0,0,0,.3); */
    /* background-color: white; */
    left: 20px;
    top: 60px;
}
.span4 img{
    width: 400px;
    height: 260px;
}
.span4{
    position: absolute;
    right: 20px;
    bottom: 118px;
}
#ul11 li:nth-child(1){
    height: 60px;
    /* background-color: #0094ff; */
    font-size: 50px;
    line-height: 60px;
    color: #fff;
    margin-bottom: 26px;
}
#ul11 li:nth-child(2){
    font-size: 26px;
    color: #c0c0c2;
}
#ul11 li:nth-child(3){
    font-size: 26px;
    color: #c0c0c2;
}
#ul11 li:nth-child(4){
    font-size: 26px;
    margin-bottom: 50px;
    color: #c0c0c2;
}
#ul11 li:nth-child(5) input{
    width: 376px;
    height: 54px;
    background-color: #0074e0;
    border-radius: 10px;
    margin-bottom: 36px;
    border: none;
    font-size: 26px;
    color: #fff;
}
#ul11 li:nth-child(6) input{
    position: absolute;
    width: 160px;
    height: 54px;
    background-color: #35383f;
    border-radius: 10px;
    right: 0;
    bottom: 76px;
    border: none;
    font-size: 26px;
    color: #fff;
}
#ul11 li:nth-child(7){
    font-size: 20px;
    color: #a4a4a0;
}
#ul11 li:nth-child(7) span{
    color: #148eff;
    border-bottom: 2px solid #148eff;
}